Fackrurrozi, . et al. 2019. Manajemen Pemanenan Kelapa Sawit (Elaeis guineensis Jacq.) di Kebun Rambutan, Serdang Bedagai, Sumatera Utara. Buletin Agrohorti. 7, 3 (Sep. 2019), 319–328. DOI:https://doi.org/10.29244/agrob.v7i3.30259.